This is Frey syndrome. Usually, whether you know it or not, you salivate and typically produce extra saliva when you eat. A person with Frey syndrome may experience mild to severe sweating on the head. Some foods and drinks are known to cause sweating while eating. These include hot and spicy foods.
Some people also find they sweat more when they drink alcohol. This is because alcohol naturally dilates, or widens, peripheral blood vessels, which causes the body to release heat. However, if you have problems with sweating while eating due to Frey syndrome or another underlying medical condition, you may find a variety of foods or even just thinking about food causes sweating.
To help determine the potential underlying cause, your doctor will consider where you have your symptoms. For example, Frey syndrome usually causes facial flushing and sweating on only one side of the face when eating. This is because head and neck surgery, especially to remove a parotid gland, is usually for only one side. As a result, this is the side that has potential nerve damage that can lead to sweating. Sweating when eating due to an underlying medical condition like diabetes mellitus usually causes sweating on both sides of the face and other body areas.
This includes the:. But sometimes, sweating while eating is a side effect of a medical condition other than Frey syndrome. Examples of other conditions that doctors know can cause sweating while eating include:. Each of these conditions can affect how nerves transmit messages to each other.
One way you can start to help prevent sweating while eating is to keep a journal. The body also has a capsaicin receptor found on certain nerves that are heat-sensitive.
When activated, these nerves send signals to the spinal cord and brain to send a perception of heat-related pain. The brain responds by triggering chemical reactions to cause cooling of the body, such as a sweat response. Because capsaicin sends signals to your brain of overheating, your brain attempts to cool your body through certain mechanisms. This area of the brain activates the millions of sweat glands in the body to start producing sweat following capsaicin ingestion.
Sweat is released from the glands and eventually evaporates to cool the body. Fortunately, there are treatments available and medical professionals can help. In particular, topical antiperspirants or Botox injections have been shown to provide significant relief.
According to Dr. David Pariser founding Member and Secretary of the International Hyperhidrosis Society as well as President of the American Academy of Dermatology , Botox injections can provide "a couple of years" of relief from gustatory sweating. This is a much longer duration of effectiveness than is typically seen when Botox is used to treat other forms of hyperhidrosis, such as underarm or palm sweating.
Please note, Botox has not been approved by the FDA for the treatment of gustatory sweating or Frey's syndrome so this is an "off-label" use of the medication. Off-label uses of medications are, however, very common. If you suffer from gustatory sweating, the first step is to try and figure out why.
Your primary care physician can help you begin this process with a physical exam and thorough medical history.
He or she may refer you to specialists if necessary. Be sure to tell your doctor when and how much you sweat — Do some foods cause more problems than others?
Where do you sweat? How much? How upset does this sweating make you? However, as you are not actually in a high-temperature environment, your sweat will take longer to evaporate making you feel sweaty.
Capsaicin is also found in paprika but this tends to be milder. The only way to stop sweating whilst eating spicy food is to…well not eat spicy food. However, if you are going out for a meal with friends, then you can prevent people from knowing you are sweating by using the discreet products from dandi London to prevent underarm sweat showing on your outfit.
There are also a few tricks that you can do to reduce the effects of spicy foods. Capsaicin is not water soluble so although drinking water would help to cool your body down, it will not help to dilute the capsaicin.
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